searchoneserver.java

关于Ultraseek的一些用法,刚初学,所以都是比较简单

/* -*- mode:java; indent-tabs-mode:nil; c-basic-offset:2 -*-
 *
 *  $RCSFile$ $Revision: 1.23 $ $Date: 2006/01/21 00:09:53 $
 *
 *  Copyright (c) 2000-2006 Autonomy Corp.  All Rights Reserved.
 *  Permission to use, copy, modify, and distribute this file is hereby
 *  granted without fee, provided that the above copyright notice appear
 *  in all copies.
 */

import java.io.*;
import java.util.*;
import java.net.*;
import com.ultraseek.xpa.search.*;
import com.ultraseek.xpa.server.*;

/**
 *  A simple demo application that searches 
 *  a running Ultraseek instance.
 */
public class SearchOneServer {

  static final int MAX_PRINT = 5;

  /** Display a summary of a SearchResult */
  public static void print_SearchResult_summary(PrintStream f, SearchResult sr) {
    try {
      f.println("url:        " + sr.getURL());
      f.println("title:      " + sr.getTitle());
      f.println("date:       " + sr.getDate());
      f.println("collection: " + sr.getSearchCollection().getID()
                + "     score: "   + sr.getScore() 
                + "     quality: " + sr.getQuality()
                + "     size: "    + sr.getSize());
    } catch (IOException e){
      f.println("Problem: " + e);
    }
  }

  SearchOneServer() { }
  public static void main(String[] args) throws Exception {
    InputStreamReader inputStreamReader = new InputStreamReader(System.in);
    BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
    URL url = null;
    System.out.println();
    System.out.println("This is a simple demo application that searches");
    System.out.println("a running Ultraseek instance.");
    while (true) {
      System.out.println();
      System.out.println("Enter the location of your running Ultraseek instance.");
      System.out.print("site (http://localhost:8765) : ");
      String site = bufferedReader.readLine();
      if (site.equals("")) site = "http://localhost:8765";
      try {
        url = new URL(site);
        break;
      } catch (MalformedURLException e) {
        try {
          url = new URL("http://" + site);
          break;
        } catch (MalformedURLException ignored) {};
        System.out.println("" + e);
      }
    }
    UltraseekServer searchServer = new UltraseekServer(url);
    System.out.println();
    System.out.println("Here is the SearchServer object:");
    System.out.println(searchServer);
    System.out.println("Remote Version: " + searchServer.getVersionString() );
    for (;;) {
      System.out.println();
      System.out.println("Enter a query.");
      System.out.print("search: ");
      String line = bufferedReader.readLine();
      if ((line==null) || line.equals("")) break;
      Query query = Query.parse(line);
      System.out.println();
      System.out.println("Here is the Query object:");
      System.out.println(query);
      long starttime = System.currentTimeMillis();
      SearchResultList searchResultList = searchServer.search(query);
      System.out.println();
      System.out.println("Here is the SearchResultList object:");
      System.out.println(searchResultList);
      Collection relatedTopics = searchResultList.getRelatedTopics();
      System.out.println();
      if (!relatedTopics.isEmpty()) {
        System.out.println("Here are the SearchTopic objects:");
        Iterator iterator = relatedTopics.iterator();
        while (iterator.hasNext()) {
          SearchTopic searchTopic = (SearchTopic)iterator.next();
          System.out.println(searchTopic);
        }
      } else {
        System.out.println("There are no SearchTopic objects.");
      }
      System.out.println();
      if (!searchResultList.isEmpty()) {
        System.out.println("There are about " + searchResultList.getResultCount() + " matches.");
        System.out.println("The top "+ searchResultList.size() + " matches have been ranked.");
        System.out.println("Here are the first " + Math.min(MAX_PRINT,searchResultList.size())
                           + " SearchResult objects:");
        int counter = 0;
        Iterator iterator = searchResultList.iterator();
        try {
          while (iterator.hasNext() && counter++ < MAX_PRINT) {
            SearchResult searchResult = (SearchResult)iterator.next();
            System.out.println();
            print_SearchResult_summary(System.out, searchResult);
          }
        } catch (NoSuchElementException e) {
          /* No more results from server, not an error. */
        }
      } else {
        System.out.println("There are no SearchResult objects.");
      }
      long elapsed = System.currentTimeMillis() - starttime;
      System.out.println("\nTime: " + elapsed/1000.0);
    }
  }
}